astm a106 gr.b sch40/sch80/sch120/schxxs steel tube & seamless pipe for structure/construction

astm a106 gr.b sch40/sch80/sch120/schxxs steel tube & seamless pipe for structure/construction

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 5000 m.t./month

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Specifications

seamless steel pipe
1.Standard :ISO 2531,EN 545,EN598,GB13295,ASTM C151
2.Size:DN80-DN1200

Hot Rolled Steel Structure Seamless Pipe

Detail specification:

1,The executable standard: GB/T8162-1999,GB/T8163-1999,GB/3087-1999, ASTM A106,ASTM A53,ASTM A335,API SPEC 5L,API SPEC 5CT,DIN17175,DIN17100

2, Material : 45 #, 10 # - Q345B (16 mn) and alloy material, A, B steel grade, X42 - X70, K55, J55 and N80, L80, C90, C95, P110, Q125

3, outside diameter : φ5mm-824mm

4, wall thickness: 0.8-60mm

5, Length: 4m-12m or as customer's requirement

6, product package: Spray painting; Oil painting; Anti-corrosion insulation; Groove or even mouth; The pipe protection

Elements Material	Chemical Compsition%					Mechanical Property
	C%	Mn%	S%	P%	Si%	Yield Point (Mpa)	Tensile Strength(Mpa)	Elongation (%)
Q195	0.06-0.12	0.25-0.50	<0.050	<0.045	<0.030	>195	315-430	32-33
Q215	0.09-0.15	0.25-0.55	<0.05	<0.045	<0.030	>215	335-450	26-31
Q235	0.12-0.20	0.30-0.70	<0.045	<0.045	<0.030	>235	375-500	24-26
Q345	<0.20	1.0-1.6	<0.040	<0.040	<0.55	>345	470-630	21-22

Q: Are steel pipes suitable for industrial cooling systems?: Yes, steel pipes are generally suitable for industrial cooling systems. Steel is a strong and durable material that can withstand high pressure and temperature fluctuations commonly found in cooling systems. It has excellent resistance to corrosion, making it ideal for use with water or other coolants. Additionally, steel pipes have good thermal conductivity, allowing for efficient heat transfer in the cooling process. They are also readily available and cost-effective, making them a popular choice in industrial applications.

Q: What is the electrical conductivity of steel pipes?: Steel pipes have a high electrical conductivity due to the metallic nature of steel. The electrical conductivity of steel pipes can vary depending on the specific composition and properties of the steel used. Generally, steel has a conductivity ranging from 6.99 × 10^6 to 9.64 × 10^6 siemens per meter (S/m) at room temperature. This conductivity allows steel pipes to efficiently conduct electricity and be used in various applications such as electrical transmission and grounding systems.

Q: Can steel pipes be used for oil and gas transportation?: Indeed, steel pipes are capable of being employed for the transportation of oil and gas. In the oil and gas sector, steel pipes are extensively utilized owing to their robustness, longevity, and capacity to withstand high-pressure environments. They are frequently employed for the conveyance of crude oil, natural gas, and related substances across extensive distances. Steel pipes exhibit exceptional resistance to corrosion and are capable of enduring extreme temperatures, thus rendering them suitable for both onshore and offshore applications. Moreover, steel pipes can be easily welded, facilitating the construction of intricate pipeline networks that efficiently transport oil and gas from production fields to refineries and distribution centers.

Q: How are steel pipes protected against fire hazards?: Steel pipes are protected against fire hazards through various methods such as fire-resistant coatings, fire wraps, or fireproof cladding. These protective measures prevent the pipes from being exposed to high temperatures and flames, ensuring their structural integrity and reducing the risk of fire-related incidents.

Q: What are the standard specifications for steel pipes?: The standard specifications for steel pipes vary depending on the intended use and industry requirements. However, some common standard specifications include the pipe's size, wall thickness, material composition (such as carbon steel or stainless steel), and pressure ratings. Other specifications may include the pipe's shape, length, and surface finish. It is essential to consult relevant standards organizations, such as ASTM or ASME, to determine the specific standard specifications for steel pipes in a given application.

Q: How do you calculate the stress in a steel pipe?: To calculate the stress in a steel pipe, you need to determine the applied force or load acting on the pipe and divide it by the cross-sectional area of the pipe. This will give you the stress value, which is typically measured in units of force per unit area (such as pounds per square inch or pascals).

Q: What are the advantages of using steel pipes in the manufacturing of appliances?: There are several advantages of using steel pipes in the manufacturing of appliances. Firstly, steel pipes are extremely durable and can withstand high pressures, making them ideal for applications that require strength and resilience. Secondly, steel pipes have excellent corrosion resistance, ensuring that the appliances will last longer without succumbing to rust or degradation. Additionally, steel pipes have a smooth interior surface, which minimizes friction and allows for efficient flow of fluids or gases within the appliances. Lastly, steel pipes are readily available and cost-effective, making them a practical choice for appliance manufacturers.

Q: Can steel pipes be recycled and used for other purposes?: Yes, steel pipes can be recycled and used for other purposes. Due to their durability and strength, steel pipes can be melted down and repurposed for various applications, including construction, manufacturing, and infrastructure projects. Recycling steel pipes not only saves resources but also contributes to reducing waste and promoting sustainability.

Q: What is the difference between internal lining and external coating of steel pipes?: The difference between internal lining and external coating of steel pipes lies in their respective purposes and locations. Internal lining refers to the material applied inside the steel pipes to protect the inner surface from corrosion, abrasion, or other forms of damage. It acts as a barrier between the transported fluids or substances and the steel pipe, preventing them from coming into direct contact and causing deterioration. The internal lining is typically made of materials like epoxy, polyethylene, or cement mortar, depending on the specific requirements and the nature of the transported substances. It ensures the longevity and integrity of the steel pipe by reducing the chances of internal corrosion and minimizing the risk of contamination. External coating, on the other hand, is applied to the outer surface of the steel pipes. Its main purpose is to provide protection against external factors such as weathering, soil corrosion, and mechanical damage. The external coating acts as a shield, safeguarding the steel pipe from environmental conditions like moisture, UV radiation, chemicals, and physical impact. Common materials used for external coatings include fusion-bonded epoxy, polyethylene, polypropylene, or bitumen. The choice of coating depends on factors like the exposure conditions, temperature, and the type of soil or surroundings the steel pipe will encounter. In summary, while internal lining protects the inner surface of steel pipes from corrosion and damage caused by transported substances, external coating acts as a barrier against external elements and physical stresses. Both internal lining and external coating play vital roles in ensuring the durability and reliability of steel pipes in various applications, such as oil and gas pipelines, water supply systems, or industrial processes.

Q: How are steel pipes used in the renewable energy sector?: Steel pipes are commonly used in the renewable energy sector for various purposes. They are used in the construction of wind turbine towers, providing support and stability to the turbines. Steel pipes are also used in the transportation of natural gas, which is considered a cleaner alternative to fossil fuels. Moreover, steel pipes are used in the construction of solar power plants, where they are utilized for the distribution of water and other fluids necessary for the cooling systems. Overall, steel pipes play a crucial role in the renewable energy sector, contributing to the development and efficiency of sustainable energy sources.

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